Overhaul of glRead/DrawBuffer() code. Now, swrast->Driver.SetBuffer()

indicates the read AND draw color buffer for all software rasterization.
Lots of related clean-ups.  See RELNOTES-4.1 for details.

2 files changed, 8 insertions, 5 deletions

diff --git a/src/mesa/drivers/glide/fxdd.c b/src/mesa/drivers/glide/fxdd.c
index 2fb1a2ada4c..9b7cd306b2c 100644
--- a/src/mesa/drivers/glide/fxdd.c
+++ b/src/mesa/drivers/glide/fxdd.c
@@ -1,4 +1,4 @@
-/* $Id: fxdd.c,v 1.88 2002/06/15 03:03:10 brianp Exp $ */
+/* $Id: fxdd.c,v 1.89 2002/07/09 01:22:51 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -288,6 +288,9 @@ fxDDSetDrawBuffer(GLcontext * ctx, GLenum mode)
       /* we'll need a software fallback */
       /* XXX not implemented */
    }
+
+   /* update s/w fallback state */
+   _swrast_DrawBuffer(ctx, mode);
 }
 
 
@@ -991,7 +994,7 @@ fxSetupDDPointers(GLcontext * ctx)
    ctx->Driver.ClearIndex = NULL;
    ctx->Driver.ClearColor = fxDDClearColor;
    ctx->Driver.Clear = fxDDClear;
-   ctx->Driver.SetDrawBuffer = fxDDSetDrawBuffer;
+   ctx->Driver.DrawBuffer = fxDDSetDrawBuffer;
    ctx->Driver.GetBufferSize = fxDDBufferSize;
    ctx->Driver.Accum = _swrast_Accum;
    ctx->Driver.Bitmap = fxDDDrawBitmap;
diff --git a/src/mesa/drivers/glide/fxddspan.c b/src/mesa/drivers/glide/fxddspan.c
index 1ee7873efaf..98aabc5c0d1 100644
--- a/src/mesa/drivers/glide/fxddspan.c
+++ b/src/mesa/drivers/glide/fxddspan.c
@@ -1,4 +1,4 @@
-/* $Id: fxddspan.c,v 1.19 2001/09/23 16:50:01 brianp Exp $ */
+/* $Id: fxddspan.c,v 1.20 2002/07/09 01:22:51 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -536,7 +536,7 @@ fxDDReadDepthPixels(GLcontext * ctx, GLuint n,
 /* Set the buffer used for reading */
 /* XXX support for separate read/draw buffers hasn't been tested */
 static void
-fxDDSetReadBuffer(GLcontext * ctx, GLframebuffer * buffer, GLenum mode)
+fxDDSetBuffer(GLcontext * ctx, GLframebuffer * buffer, GLenum mode)
 {
    fxMesaContext fxMesa = (fxMesaContext) ctx->DriverCtx;
    (void) buffer;
@@ -565,7 +565,7 @@ fxSetupDDSpanPointers(GLcontext * ctx)
 {
    struct swrast_device_driver *swdd = _swrast_GetDeviceDriverReference( ctx );
 
-   swdd->SetReadBuffer = fxDDSetReadBuffer;
+   swdd->SetBuffer = fxDDSetBuffer;
 
    swdd->WriteRGBASpan = fxDDWriteRGBASpan;
    swdd->WriteRGBSpan = fxDDWriteRGBSpan;